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Finding the Fourth Proportional to 336,638.40, 504,674.88 and 146,954.52

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Solution

The fourth proportional to 336,638.40, 504,674.88 and 146,954.52 is: 220,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,638.40 : 504,674.88 = 146,954.52 : x
  2. Step 2: Convert to fraction form
    336,638.40/504,674.88 = 146,954.52/x
  3. Step 3: Cross multiply
    336,638.40x = 504,674.88 × 146,954.52
  4. Step 4: Simplify right side
    336,638.40x = 74,164,254,746.46
  5. Step 5: Solve for x
    x = 74,164,254,746.46/336,638.40
  6. Step 6: Final answer
    x = 220,308.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.